<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I think the confusion is that the description says to start the roll after the 1/4 loop. It does not say to hesitate at that point. So by description, the roll begins at that point (1/4 loop), at the 45 the plane is to be knife edge with a hesitation. The roll and loop continue with the plane being upright at top dead center with a hesitation. The roll and loop continue to knife edge at the 45 with a hesitation. The loop and roll then continue to the 180 with a hesitation. The remaining 1/4 loop is a pull to upright. <div><br></div><div>This is my interpretation and may be wrong. I’ve flown it maybe ten times like this and we it looks correct. <br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Nov 4, 2021, at 4:56 PM, john tarpinian via NSRCA-discussion <nsrca-discussion@lists.nsrca.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div class="ydp1565d5bdyahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div></div>
<div dir="ltr" data-setdir="false">My previous interpretation was in fact the way I was doing it. But after further analysis I was doing it wrong. I see what Stu is saying but here is another interpretation.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">1. After completing 1/4 loop hesitate briefly and roll to knife edge with knife edge portion centered at 10:30.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">2. Roll to upright with upright portion centered at 12:00.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">3. Roll to knife edge with knife edge centered at 1:30.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">4. Complete roll a little before 3:00 just as if it was another point centered on 3:00.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">This matches Stu's interpretation at the 10:30, 12:00, and 1:30 positions but differs at the 9:00 and 3:00 positions. However, the maneuver is now completely symmetric. If you start and end the roll at the begining and end of the half loop the begining and last 1/4 rolls will be longer than the others.</div><div dir="ltr" data-setdir="false"> </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">j</div><div><br></div>
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On Thursday, November 4, 2021, 05:39:07 PM EDT, Stuart Chale <schale1@outlook.com> wrote:
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I have always judged integrated rolls with the start and completion of the roll within the designated arc. A half roll over the top 90 starts and completes the half roll at the 45 degree points.
<div>The four point would be the same the roll starts at 90. 180 should be the mid point of the upright or inverted section and the plane should complete the last 90 degree roll at 270 degrees. </div>
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<blockquote type="cite">On Nov 4, 2021, at 4:36 PM, john tarpinian via NSRCA-discussion <nsrca-discussion@lists.nsrca.org> wrote:<br clear="none">
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I would say it's not symmetrical in that after the first 1/4 loop there is a hesitation but just before reaching the 3:00 position you are rolling. My interpretation assuming entering the loop from the right.</div>
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1. After completing first 1/4 loop, hesitate and perform 1/4 roll coming to knife edge at 10:30</div>
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2. Hesitate and then perform 1/4 roll to coming to upright at 12:00.</div>
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3. Hesitate and come to knife edge at 1:30.</div>
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4. Hesitate and complete roll at 3:00. </div>
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The NSRCA description makes it sound like you should begin the roll at 9:00. See below.</div>
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Loop with integrated 4 point roll over the top 180 degrees. (U): From upright pull a ¼ inside loop, continue the loop while rolling 90 degrees, hesitate the roll while continuing the loop, roll 90° in the same direction while continuing loop, hesitate the
roll while continuing loop, the center of this hesitation should be at top dead center of the loop, roll 90° in the same direction while continuing the loop, hesitate the roll while continuing the loop, roll 90° in the same direction while continuing the loop,
completing the roll at 270° of the loop, pull ¼ inside loop to exit in level horizontal flight.</div>
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<div>On Thursday, November 4, 2021, 03:52:13 PM EDT, Don Ramsey via NSRCA-discussion <nsrca-discussion@lists.nsrca.org> wrote:
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<p style="text-align:justify;" class="yiv4274796410MsoNormal"><span style="font-size:11.0pt;font-family:Calibri, sans-serif;color:#1F497D;">Food for thought. In the new Masters sequence, think about the loop with a 4 point roll. Where do the rolls start and
where are the key points for KE, Up-right, KE, and finish. Is the up-right portion of the roll symmetrical around center?</span></p>
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